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Mathematics, 13.01.2020 09:31 leannehounschell

According to descartes's rule of sign, how many possible positive and negative roots are there for the equation 0=4x7−2x4+2x3−4x−9 ?

number of positive roots:
number of negative roots:
0, 1 only, 2, only, 0 or 2. 3 only. 1 or 3

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Answers: 1

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